CN107107493A - For the electric installation on the surface for the part being made up of composite - Google Patents

For the electric installation on the surface for the part being made up of composite Download PDF

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Publication number
CN107107493A
CN107107493A CN201580073877.6A CN201580073877A CN107107493A CN 107107493 A CN107107493 A CN 107107493A CN 201580073877 A CN201580073877 A CN 201580073877A CN 107107493 A CN107107493 A CN 107107493A
Authority
CN
China
Prior art keywords
composite
structural member
electric installation
conducting element
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201580073877.6A
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Chinese (zh)
Inventor
迪迪埃·梅斯纳热
蒂埃里·佩莱格林
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Airbus Group SAS
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Airbus Group SAS
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Filing date
Publication date
Application filed by Airbus Group SAS filed Critical Airbus Group SAS
Publication of CN107107493A publication Critical patent/CN107107493A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/088—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/243—Partially cured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/18—Aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C2001/0054—Fuselage structures substantially made from particular materials
    • B64C2001/0072—Fuselage structures substantially made from particular materials from composite materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Abstract

The present invention relates to a kind of electric installation（11）, in the structural member being made up of composite（15）Surface on formed electrical connection.Electric installation includes：One thin boundary layer（13）, it has a face, and electric installation is fixed to the structural member being made up of composite via the face（15）Surface；The conducting element of one metal（12）, it is placed on thin boundary layer（13）And with contacting the structural member（15）Surface the relative face in face on, the conducting element of metal is configured to be subjected to tensile stress and compression stress without damaging；And a protective layer, it is configured to the conducting element for protecting metal（12）From structural member（15）The infringement of the environment of surrounding.Arrange any of the above element so that the conducting element of metal（12）Length can be changed according to temperature, and be not dependent on being provided with the amplitude of variation of the structural member of electric installation.

Description

For the electric installation on the surface for the part being made up of composite
Technical field
The present invention relates to the general domain of component, the component causes leading such as cable, metal braid or chaff Electric device can be integrated on the surface of the part being made up of composite or structural member to produce electrical connection.
The invention further relates to the damage after the field of the integrity checking of this structural member and the surface of impact structure part The field of bad detection.
Background technology
Nowadays, nonmetallic materials（Composite, plastics etc.）In some structural members of such as aircraft parr structural member It is integrated more and more significant.It is, relative to the similar structures part being made of metal, to reduce such knot using the purpose of such material The weight and manufacturing cost of component.
However, this kind of alternative materials generate it is related to the low electric conductivity of used composite or even conductive Property missing it is related the problem of.
Therefore, such material cannot ensure the enough electric conductivity for producing electrical connection, and electrical connection is ensured as in aircraft The function that electric current is returned.In order to overcome this functional defect, it usually needs installing conductor and member on the surface of composite structural member Part, these elements are ensured these conductors fixed on structural member and the conductor of these conductors and adjacent bonds component load-bearing is mutual Even.
However, this solution make it that the equipment for being integrated with structural member is heavier in terms of weight, or the production time It is longer.These shortcomings are particularly significant when handling Flight Vehicle Structure part.
Moreover, standard conductive element and the structural member being made up of composite assembling to be also possible to generation and be applied to conductive element Mechanical stress on part, standard conductive element such as monolithic conductor here（Such as metal wire or bonding jumper）Or be, for example, by one-dimensional Conductor formed by multiple conductors of arrangement（Such as Multi-strand cable）.When temperature of the structural member by significant changes, it is constituted Various elements material occur otherness expansion, thus produce stress.For example, the temperature that the structural member of civil aircraft is subjected to Temperature from -45 DEG C to+70 DEG C, or spatial emission device the temperature that is subjected to of structural member from -60 DEG C to+200 DEG C.Not necessarily have Installing conductor can also produce stress to lesser extent on the structural member of flat shape.
In addition, the problem of this alternative materials also cause related to the integrity checking of structural member.In fact, working as composite wood Expect structural member and impacted by " low energy "（E.g. dropped and caused by instrument）When, internal damage may be bright caused by hitting Reduce the mechanical performance of structural member aobviously, even if by simple visual inspection, also can not almost detect this damage, this with The situation of metal structure is opposite.
However, there is no any of solution so far so that conducting element can be directly integrated into composite junction In component, while limitation is applied to the mechanical stress on conductor and caused by simple visual inspection it could be noted that structural member Surface on there may be impact zone, the stress is to be produced in composite structural member thermic load by its contraction or stretching.
Moreover, design department can consider the impact resistance of composite structure element, but only consider wanting for mechanical strength Ask, result in the oversized of structural member.Oversized purpose is to strengthen these structural details to the repellence of impact, but chi The structural detail that very little mistake very much not allows the low energy impacts to that may be subject to and damaged carries out clear and definite vision-based detection.
This concept is intended to overcome these shortcomings.
The content of the invention
It is therefore an object of the present invention to propose a solution so that conducting element can be arranged on nonconductive structures On the surface of part, and this installation will not produce drawbacks described above.
For this purpose, subject of the present invention is that the conductive dress of electrical connection is set up on the structural member surface being made in composite Put, it includes elements below：
The boundary layer of-one thickness of thin, it has a face, and electric installation is fixed to composite material structural member table via the face On face；
The conducting element of-one metal, be arranged on boundary layer and on the face relative with the face on the surface of contact structures part, it is described The conducting element of metal is configured to that compression stress can be subjected to and stretches stress without damaging；
- one protective layer, it is configured to the infringement for protecting conducting element from the medium around structural member.
According to the present invention, any of the above element is configured relative to each other, and configuration mode enables the length of conducting element Changed according to the change for the length that can influence boundary layer and protective layer.
According to optionally in combination with the various regulations used, there can be different complementations special according to the electric installation of the present invention Levy.Therefore：
According to electric installation of the present invention feature, protective layer is made up of a coating, the coating covering electric installation The part contacted with external agency, the coating defines an inner space for accommodating conducting element with boundary layer.
According to another feature, protective layer applied to the surface treatment on conducting element by forming.
According to another feature, boundary layer is made up of composite or elastomer.
According to another feature, protective layer is made up of elastomer.
According to another feature, protective layer is made up to be in impact zone in the case of low energy impacts of composite Reveal the observable deformation of observer.
According to another feature, conducting element is metal braid.
According to another feature, conducting element is the foil material of one group of superposition.
According to another feature, boundary layer and protective layer are made up of composite, and the manufacture of device includes a prepolymerization Operation so that at the end of manufacture, described device be in completed flexible product form, the completed flexible product it is complete Polymerization can be carried out after device is arranged on the structural member that composite is made.
According to another feature, boundary layer is made up of elastomer, and the manufacture of device includes a vulcanisation operation so that in system At the end of making, described device is in the form of flexible product, can be arranged on the flexible product again by appropriate assembling mode On the structural member that condensation material is made.
The present invention can make electric current or signal as close to structural member of interest to circulate, while ensuring that impact is opened up It is existing, and limit thermo-mechanical load or be installed on the mechanical stress that is produced during non-planar junction component.The present invention is advantageously applicable In any composite or plastic components, more specifically suitable for aircraft or the element of transmitter.
Brief description of the drawings
The features and advantages of the present invention are better understood by the following explanation based on accompanying drawing：
- Fig. 1 is a kind of longitudinal view seen from above of embodiment of the apparatus according to the invention；
- Fig. 2 is the lateral perspective view of Fig. 1 embodiment；
- Fig. 3 is the detailed view of device according to the first embodiment of the invention；
- Fig. 4 is the detailed view of device second embodiment of the invention；
- Fig. 5 is the three-dimensional view of the device of the embodiments of the present invention according to Fig. 4, and wherein protectiveness coating is by part longitudinal direction Excision；
- Fig. 6 is the schematic diagram of the architectural characteristic of apparatus of the present invention of the embodiment according to Fig. 4 and Fig. 5.
Embodiment
The apparatus according to the invention 11 is presented in the form of the semi-finished product that elements below is constituted：
- the conducting element 12 with given cross section；
The boundary layer 13 that-insulating materials is made, is placed with conducting element 12 thereon；
- form the surface coating 14 protected, the part for the outer surface that its cladding system 11 is directly contacted with external agency.
Form of the entirety of apparatus of the present invention in thickness relative to the less conductive bar of length, the thickness is depended primarily on The cross section of conducting element 12.
Here, semi-finished product are interpreted as being envisioned for device 11 not to be used alone, but as depicted in figs. 1 and 2, with function base Complementary supportive structural member 15 is integrated from electricity viewpoint angle in sheet.Structural member 15 is, for example, composite component, is such as flown The structural detail of device.
Face for the boundary layer 13 fixed to the device 11 on compound structural member 15 is designed as, according to the dress of the present invention Putting 11, once production can be by solid on surface of any appropriate mode fixed to compound structural member 15, by cold glue or hot glue It is fixed on the structural member 15 manufactured or pass through this structural member manufacture during the integrated fixation in surface.
According to the present invention, conducting element is, relative to its cross section, the longer hardware of conducting element length, and to pass through The mechanical stress that elongation or contraction must endure as constructing and being configured to enough to be subjected to being produced by temperature change is not damaged It is bad.
For this purpose, conducting element is preferably made up of metal braid as shown in Figure 4, or shape is superimposed by tinsel Into conductor composition, or be made up of wire juxtaposition as shown in Figure 3.However, conducting element is also alternatively conductive by other Element is constituted, for example, be configured at the Multi-strand cable on boundary layer 13 for this purpose（Copper, aluminium etc.）.
The boundary layer 13 that material is made makes it possible to device 11 being connected with structural member 15, while isolating leading for composite Electric device 12（Braid or cable）, so as to avoid possibly be present at composite（It is based particularly on the material of carbon fiber）With structure Into the material of conducting element 12（Particularly aluminium）Between be electrically coupled problem.
It is further advantageous that the boundary layer that is made of material by the conductor 12 of forming apparatus 11 and be likely located at its nearby or with Its another conductor intersected is separated, therefore is protected conductor 12 from the influence of interfering component and ensured to maintain electromagnetism with surrounding component Compatibility（EMC）.
According to the property and mechanical property of the composite for forming structural member 15, interface material 13 can be given by showing Mechanical features and/or temperatures feature elastomeric material composition, or be made up of one or more layers composite, it is described Be electrically insulated according to it similitude of feature or the temperatures of its composite with constituting structural member 15 of composite is selected Select, device 11 is installed on the structural member 15.
For protective layer 14, it can protect the various infringements that conducting element 12 is caused from external environment condition（Abrasion, corruption Erosion etc.）.
Therefore, according to a kind of embodiment, such as Fig. 3 and Fig. 4 partial view are shown more particularly, and protective layer 14 can be by one Individual actual coating composition, the coating is made up of elastomeric material or composite, and the coating is defined together with boundary layer 13 One accommodate conducting element space, define mode so that conducting element length increase or shrink when be not limited.
In the range of Fig. 3, conducting element is made up of many electric wires, and the electric wire is arranged on by coating 14 and boundary layer 13 In the space defined.
In the case where constituting Fig. 4 according to the preferred embodiment of apparatus of the present invention, conducting element 12 is by metal knitted Thing is constituted.
Or, coating 14 can pass through simple chemical surface treatment（Deposit or varnish）Constitute the material shape of conducting element 12 Into, then conducting element 12 by with face that boundary layer 13 is contacted fixed to boundary layer 13.
In addition, also certain types of application can be selected for surface coating 14, to make it possible to exhibition due to its property and thickness The shock being subject to during the existing use of structural member 15.In the case, coating 14 by can because hit（Especially because low kinetic energy is hit Hit）And in impact zone（Mark surface impacts）The material composition of deformation.For this purpose, coating 14 can be by relatively thin layer shape rigidity Material layer is constituted, for example, be coated with the glass of resin or be coated with the composite layer of resin.
It should be noted that by conducting element 12（Braid, paillon foil or cable）Being connected with other electric devices can be advantageous by existing There is connector realization, and this will make adaptation material（Aluminium, copper etc.）, environment（Certification, existing connection etc.）And demand（According to electric current The change of intensity and cross section for changing etc.）It is possibly realized.
As described above, the apparatus according to the invention has many advantages.Therefore：
- the apparatus according to the invention can exempt the retaining element kept on the surface of structural member 15 needed for conductor, so as to Enough advantageously vacating spaces, and mitigate weight and save the set-up time.It will be used to conductor 12 being maintained at carrier structure part Element remove, can be advantageously it is all manufacture and the structural members that assemble substantially reduce assembling conductor reference member quantity.
- the apparatus according to the invention, which can also be limited, is fixed with the structural member 15 that the composite of conducting element 12 is made The mechanical stress on conducting element 12 may be applied to, by especially making conducting element 12 extend or receive according to temperature change Contracting, the structural member 15 that composite is made will not consequential corresponding contraction or expansion fortune in the presence of identical temperature change It is dynamic, or according to especially extending or receive to device is arranged on into mechanical stress related on the structural member 15 that composite is made Contracting.Pass through the structure according to conducting element（The especially flexible of braid 41, or various wires 31 slip or to mutually folded Plus paillon foil slip）And configuration of the conducting element 12 in device is acted on, application may be advantageously realized here Mechanical stress on conductor 12 is limited.
- be intended to this（Composite layer）In the case of manufacturing coating 14, the apparatus according to the invention is further able to It is enough to show display by visual inspection in the presence of the low energy shock less than 30 J（Instrument drops）Impact, the impact can It can be influenceed by the deformation for the braid or tinsel for forming conducting element 12 and the fracture and/or damage of protective layer 14 The structural member 15 that composite is made.
- the apparatus according to the invention is further able to the absorbability of impact energy during enhancing is hit to low energy, boundary The material of surface layer 13 and the structure of conducting element 12 contribute to apparatus with shock absorbing.Therefore, it can adjust and conducting element 12 carried out The size of the structural member 15 of support, it is integrated in structural member to optimize device 11, so as to mitigate weight and be easier in group The outer integrating device 11 of wiring.
The apparatus according to the invention can also maintain standard to connect in an advantageous manner, by leading on structural member Electric device is connected on the conducting element of other structures part.
The apparatus according to the invention is further able to be superimposed multiple conductors by superimposed layer, so that in same small volume Under, greatly increase the amount of the electric signal that can be transmitted and/or the electric power transmitted.In a similar way and in order to reach identical mesh , the apparatus according to the invention can also the several conductors of juxtaposition, each conductor it is adjacent thereto conductor electric insulation simultaneously it is mechanically decoupled.
Fig. 5 and Fig. 6 show the favourable mechanical property of the illustrative embodiments of the apparatus according to the invention, the dress Put the conducting element 12 being made up of including a boundary layer 13, one metal braid and one constitutes protection by material layer Layer 14.Protective layer 14 defines the vertical chamber for accommodating conducting element 12 together with boundary layer 13.In Fig. 5 diagram, play protection and make The surface of layer is partly cut away, so that conductive braided fabric thing 12 is visible.
Therefore conductive braided fabric thing 12 is due to the part of forming apparatus 11 in device 11, and conductive braided fabric thing 12 can freely be formed Stretching or compression position are without suffering damage, and the position compressed or stretched is, for example, as caused by temperature change.
Fig. 6 shows the various constructions for the advantage for proving the apparatus according to the invention.
View 6-a illustrates situation at ambient temperature in a schematic way, in said case the length of braid It is mutually adapted in principle with the length of structural member.
View 6-b represents the situation that structural member 15 and braid 12 expand in the presence of temperature rise.The edge of structural member 15 The expansion for the axis of braid is substantially equal to composition braid（Metal）Material expansion.In the case, braid Only by the wide and long elongation of change of its grid cell, the elongation absorbs the influence of expansion of metal in itself.
View 6-c represents the situation that structural member 15 and braid 12 expand in the presence of temperature rise.The edge of structural member 15 The expansion for the axis of braid is less than composition braid（Metal）Material expansion.In the case, braid 12 is simultaneously Length elongation simultaneously compresses, the influence of the partly absorbing expansion of metal of length elongation, and this compression is presented as the change of web elements It is narrow, and the compression make braid 12 absorb and the composite of structural member 15 and constitute it metal between expansion clearance and Do not cause to damage.The free degree is relatively moved as obtained by the braid 12 in the structural member of the apparatus according to the invention, can It is advantageously carried out this change narrowed.
View 6-d represents the situation that structural member 15 and braid 12 have shunk in the presence of temperature is reduced.In this situation Under, structure whether similar to the degree of the contraction of the composite of structural member 15 according to the degree of the contraction of the metal of braid 12 Metal contracts and/or compression into braid 12, wherein shrinking causes the contraction in length of braid 12；Compression shows as grid list First narrows.
Therefore, by using the apparatus according to the invention, conducting element 12 can while connection with composite structural member 15 Its size is adapted to expansion and is shunk, the expansion and shrink because temperature change and caused by, but be not dependent on structural member institute in itself After change.
Said from the angle of realization, the semi-finished product that the apparatus according to the invention is constituted form a kind of theme of manufacture method, institute The method of stating is mainly included the following steps that：
- the first step, produces boundary layer, and this boundary layer is insulation from electricity viewpoint, and according to sought mechanical property, by Composite（Glass fibre）Or polymeric material（Elastomer, polyamide etc.）It is made；
- second step, by conducting element（The net or bar of such as metal foil）It is integrated on boundary layer；
- the three step, installs protective layer, and this layer, can be in the diaphragm being made up of polymeric material according to sought mechanical property Form, or in the form for the layer being made up of composite.
It should be noted that according to the material for forming boundary layer and protective layer, composite layer or polymer material layer, polymerization Or vulcanisation operation can be carried out after the completion of second step or the 3rd step.
Therefore, if boundary layer and protective layer are made up of composite, converging operation can complete laggard in third step OK.In the case, according to whether wishing that device keeps flexible structure, polymerization can be partially polymerized（Prepolymerization）Or gather completely Close.
Therefore, if boundary layer and protective layer are made up of elastomeric material, vulcanisation operation can complete laggard in the 3rd step OK.
Therefore, if boundary layer is made up of composite and boundary layer is made up of elastomeric material, converging operation can be Carried out after the completion of second step, and vulcanisation operation can be carried out after the completion of the 3rd step.
It shall yet further be noted that during the polymerization occurred in the manufacturing process of the apparatus according to the invention and/or vulcanisation operation, In some cases, the surface adhesion that boundary layer 13 and/or protective layer 14 may be with conducting elements 12, this adhesion may be with not The mode of profit limits moving freely for conducting element 12.Therefore, in order to prevent this adhesion, can be inserted into prevents the table of conducting element The separation layer that face is directly contacted with boundary layer and protective layer.This separation layer can for example by covering conductor suitable material film group Into, or formed by carrying out proper treatment to the surface of conducting element.
It is further noted that the 3rd step for installing protective layer may include to be surface-treated conducting element, pair with outside The surface of the device of medium contact is chemically treated or depositing protective varnish.In the case, it can be arranged on by device The 3rd step is carried out while on the structural member 15 that composite is made.
After completing the procedure, the semi-finished product so obtained can be equipped with suitable connection.
So produce device formation surround covering conducting element conductive structure part, this structural member constitute can preserve and with It is used for the semi-finished product for manufacturing the composite structural member for being integrated with surface conductance body afterwards.
Still carried out after the fabrication according to when being assembled in manufacture composite material component, by the apparatus according to the invention 11 are installed to the structural member 15 that composite is made and are fixed to the structural member and can be carried out by various means.
Therefore, the device 11 being made up using boundary layer of prepolymerized composite or elastomeric material for example can be in life After the structural member 15 that production composite is made terminates, the apparatus according to the invention is assembled into the structural member 15 that composite is made On, then polymerization boundary layer 13 is carried out simultaneously with paradigmatic structure part 15 itself completely.Converging operation causes boundary layer is adhered to multiple The structural member that condensation material is made, thereby, it is ensured that device is fixed to structural member.
However, the apparatus according to the invention, which is installed on the structural member that composite is made, further to be completed separated The manufacture of two elements and by being carried out after any suitable any means known assembling, means are for example by glued membrane by device 11 It is adhered on structural member 15.
It should be noted that the manufacture apparatus according to the invention, including manufacture insulator interface layer 113, conducting element 12（Braid or Paper tinsel）And show the protective layer 14 of impact, and the structural member 15 that composite is made is secured the device to, these are operated with Technique that is knowing and being proved（For example：RTM injections, baking oven polymerization, bonding, crimping etc.）, and without industrial risk（Current production, Method widely）.
It can be seen that from the above description, the apparatus according to the invention is advantageously used for many fields, such as aircraft（Boat Empty, Aero-Space）, train, the construction of automobile, or such as building trade, or Electronic Packaging manufacture, for needing integrated Electricity Functional With nonconductive structures part（Signal path in plastics etc.）Application.
The apparatus according to the invention can be existing to substitute particularly for producing structural detail or cladding element in above-mentioned field There is system.Especially in Flight Vehicle Structure part field, the alternative traditional ESN of the apparatus according to the invention（" electric structural network "） Network, its by one group of cable, metal parts and retaining sleeve ring group into, and can mitigate weight, save the set-up time of component, So as to reduce cost.

Claims (5)

1. a kind of structural member for being made in composite（15）Surface on set up the electric installation of electrical connection（11）, bag Include：
The boundary layer of-one thickness of thin（13）, it has a face, and the electric installation is fixed to described compound via the face The structural member that material is made（15）The surface on；
The conducting element of-one metal（12）, it is arranged on the boundary layer（13）With contacting the structure that the composite is made Part（15）The surface the relative face in face on, the conducting element of the metal is configured to that compression stress can be subjected to and stretched Stress is opened up without damaging；
- one protective layer, it is configured to the conducting element for protecting the metal（12）The knot being made from the composite Component（15）The infringement of the medium of surrounding,
Characterized in that, the boundary layer is made up of composite, the manufacture of the electric installation includes a pre-polymerization closing operation； Or the boundary layer（13）It is made up of elastomer, the manufacture of the electric installation includes a vulcanisation operation；So as in manufacture At the end of, the electric installation（11）In the form of a completed flexible product, the completed flexible product completely gathers Closing can be by the electric installation（11）The structural member being made installed in the composite（15）Carried out after upper.
2. electric installation according to claim 1, it is characterised in that the protective layer（14）It is made up of a coating, institute State coating and cover the electric installation（11）The part contacted with external agency, the coating（14）With the boundary layer（13） Define the conducting element for accommodating the metal（12）An inner space.
3. electric installation according to claim 1 or 2, it is characterised in that the protective layer by composite be made with The observable deformation of observer is showed in the case of low energy impacts in impact zone.
4. electric installation according to any one of the preceding claims, it is characterised in that the conducting element of the metal （12）For a metal braid.
5. electric installation according to any one of claim 1 to 3, it is characterised in that the conducting element of the metal （12）For the foil material of one group of superposition.
CN201580073877.6A 2014-11-21 2015-11-19 For the electric installation on the surface for the part being made up of composite Pending CN107107493A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1461289A FR3029062B1 (en) 2014-11-21 2014-11-21 CONDUCTIVE DEVICE FOR MOUNTING SURFACE MATERIALS IN COMPOSITE MATERIALS AND METHOD FOR PRODUCING SUCH A DEVICE
FR1461289 2014-11-21
PCT/EP2015/077122 WO2016079247A1 (en) 2014-11-21 2015-11-19 Conductive device intended to be mounted on the surface of parts made of composite materials

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FR3113894A1 (en) * 2020-09-08 2022-03-11 Composite Industrie AIRCRAFT RADOME INTEGRATING A LIGHTNING PROTECTION SYSTEM AND AIRCRAFT COMPRISING SUCH A RADOME

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US10410759B2 (en) 2019-09-10
EP3221132B1 (en) 2023-03-22
US20180342332A1 (en) 2018-11-29
WO2016079247A1 (en) 2016-05-26
FR3029062B1 (en) 2019-06-21
FR3029062A1 (en) 2016-05-27

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Application publication date: 20170829